From: Justin Cinkelj <justin.cink...@xlab.si>
Committer: Nadav Har'El <n...@scylladb.com>
Branch: master
libc: add pthread_gettid_np to get thread ID of arbitrary pthread_t
The added pthread_gettid_np is not portable, and differs even from
pthread_getthreadid_np (that one works for current thread only).
Signed-off-by: Justin Cinkelj <justin.cink...@xlab.si>
Message-Id: <20170131213644.23637-2-justin.cink...@xlab.si>
---
diff --git a/include/api/pthread.h b/include/api/pthread.h
--- a/include/api/pthread.h
+++ b/include/api/pthread.h
@@ -217,6 +217,7 @@ int pthread_attr_setaffinity_np(pthread_attr_t *,
size_t, const cpu_set_t *);
int pthread_attr_getaffinity_np(const pthread_attr_t *, size_t, cpu_set_t
*);
int pthread_setaffinity_np(pthread_t, size_t, const cpu_set_t *);
int pthread_getaffinity_np(pthread_t, size_t, cpu_set_t *);
+pid_t pthread_gettid_np(pthread_t);
#endif
#ifdef __cplusplus
diff --git a/libc/pthread.cc b/libc/pthread.cc
--- a/libc/pthread.cc
+++ b/libc/pthread.cc
@@ -975,6 +975,11 @@ int pthread_getname_np(pthread_t p, char* name, size_t
namelen)
return 0;
}
+pid_t pthread_gettid_np(pthread_t p)
+{
+ return pthread::from_libc(p)->_thread->id();
+}
+
int pthread_attr_setaffinity_np(pthread_attr_t *attr, size_t cpusetsize,
const cpu_set_t *cpuset)
{
--
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